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Finding the Third Proportional to 11,151,872 and 15,703,792

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Solution

The third proportional to 11,151,872 and 15,703,792 is: 22,113,693.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151,872 : 15,703,792 = 15,703,792 : x
  2. Step 2: Convert to fraction form
    11,151,872/15,703,792 = 15,703,792/x
  3. Step 3: Cross multiply
    11,151,872x = 15,703,792 × 15,703,792
  4. Step 4: Simplify right side
    11,151,872x = 246,609,083,179,264
  5. Step 5: Solve for x
    x = 246,609,083,179,264/11,151,872
  6. Step 6: Final answer
    x = 22,113,693.84

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.